public function testDefaultPhoto()
{
$user = new User();
$profile = new Profile();
$this->assertNull($user->getPhoto(), 'new user have no photo');
$profile->email = '*****@*****.**';
$user->fromProfile($profile);
$this->assertSame('https://secure.gravatar.com/avatar/06e36fe8745612d55318be4103414b3e?d=identicon', $user->getPhoto(), 'adding email, create gravatar');
$profile->email = '*****@*****.**';
$user->fromProfile($profile);
$this->assertSame('https://secure.gravatar.com/avatar/f8439b029e8a4120be09207e350b8134?d=identicon', $user->getPhoto(), 'changing email, modify gravatar');
$url = 'http://example.com/profile.jpg';
$user->setPhoto($url);
$profile->email = '*****@*****.**';
$user->fromProfile($profile);
$this->assertSame($url, $user->getPhoto(), 'if photo was manually set, never change it');
$user->setPhoto(null);
$this->assertNull($user->getPhoto());
$profile->email = '*****@*****.**';
$user->fromProfile($profile);
$this->assertSame('https://secure.gravatar.com/avatar/06e36fe8745612d55318be4103414b3e?d=identicon', $user->getPhoto(), 'can re-set gravatar');
}
